ATA6603-EK Atmel, ATA6603-EK Datasheet - Page 185

• Manufacturer Part Number: ATA6603-EK
• Description: MCU, MPU & DSP Development Tools Demoboard LIN-MCM
• Manufacturer: Atmel

Specifications of ATA6603-EK

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4921E–AUTO–09/09
Note:
Assembly Code Example
C Code Example
SPI_MasterInit:
SPI_MasterTransmit:
Wait_Transmit:
void SPI_MasterInit(void)
{
}
void SPI_MasterTransmit(char cData)
{
}
; Set MOSI and SCK output, all others input
ldi
out
; Enable SPI, Master, set clock rate fck/16
ldi
out
ret
; Start transmission of data (r16)
out
; Wait for transmission complete
sbis SPSR,SPIF
rjmp Wait_Transmit
ret
/* Set MOSI and SCK output, all others input */
DDR_SPI = (1<<DD_MOSI)|(1<<DD_SCK);
/* Enable SPI, Master, set clock rate fck/16 */
SPCR = (1<<SPE)|(1<<MSTR)|(1<<SPR0);
/* Start transmission */
SPDR = cData;
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)))
1. The example code assumes that the part specific header file is included.
;
r17,(1<<DD_MOSI)|(1<<DD_SCK)
DDR_SPI,r17
r17,(1<<SPE)|(1<<MSTR)|(1<<SPR0)
SPCR,r17
SPDR,r16
(1)
(1)
ATA6602/ATA6603
185